Re: [ST] for Brett - fuel economy

[brettwilson21@xxxxxxx]

Studies have been done on this in Australia and found that petrol is being sold at near explosive temps in some cases causing it to expand by as much as 20%. 
 
Simply put, its heated, so it expands and the volume goes up. You pay for 20 litres, but when it cools you may only have 19 litres. Admittedly, not much but it adds up and the suppliers are getting money for nothing.
 
Brett.  
 
-----Original Message-----
From: JUSTIN SHREAVES <wyckoffjustin@xxxxxxxxx>
To: ST@xxxxxxxxxxxxxx
Sent: Sun, 16 Apr 2006 16:30:32 -0700 (PDT)
Subject: Re: [ST] for Brett - fuel economy


I can say that thermal expansion would be a factor in fuel volume, as it is sold 
as a liquid measurement, and not weight. If anyone has realized that they get 
better fuel economy in the winters, it is due to this reason. More dense, more 
btu per cc, less required throttle. While it is a very small difference, it is 
there, and will mess up the whole chart.
   
  Justin

Neil Lindsey <Neil.Lindsey@xxxxxxx> wrote:
  never heard of this before -- could you elaborate please?

Neil

----- Original Message ----- 
From: 

To: 
Sent: Sunday, April 16, 2006 1:11 PM
Subject: Re: [ST] for Brett - fuel economy


> Good question. I guess if you're going to do this whole fuel economy
thing, its wise to remove as many variables as possible, especailly
considering the common practice of selling fuel warm.
>




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